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- # Python test set -- part 1, grammar.
- # This just tests whether the parser accepts them all.
-
- from test_support import *
-
- print '1. Parser'
-
- print '1.1 Tokens'
-
- print '1.1.1 Backslashes'
-
- # Backslash means line continuation:
- x = 1 \
- + 1
- if x <> 2: raise TestFailed, 'backslash for line continuation'
-
- # Backslash does not means continuation in comments :\
- x = 0
- if x <> 0: raise TestFailed, 'backslash ending comment'
-
- print '1.1.2 Numeric literals'
-
- print '1.1.2.1 Plain integers'
- if 0xff <> 255: raise TestFailed, 'hex int'
- if 0377 <> 255: raise TestFailed, 'octal int'
- if 2147483647 != 017777777777: raise TestFailed, 'large positive int'
- try:
- from sys import maxint
- except ImportError:
- maxint = 2147483647
- if maxint == 2147483647:
- if -2147483647-1 != 020000000000: raise TestFailed, 'max negative int'
- # XXX -2147483648
- if 037777777777 != -1: raise TestFailed, 'oct -1'
- if 0xffffffff != -1: raise TestFailed, 'hex -1'
- for s in '2147483648', '040000000000', '0x100000000':
- try:
- x = eval(s)
- except OverflowError:
- continue
- ## raise TestFailed, \
- print \
- 'No OverflowError on huge integer literal ' + `s`
- elif eval('maxint == 9223372036854775807'):
- if eval('-9223372036854775807-1 != 01000000000000000000000'):
- raise TestFailed, 'max negative int'
- if eval('01777777777777777777777') != -1: raise TestFailed, 'oct -1'
- if eval('0xffffffffffffffff') != -1: raise TestFailed, 'hex -1'
- for s in '9223372036854775808', '02000000000000000000000', \
- '0x10000000000000000':
- try:
- x = eval(s)
- except OverflowError:
- continue
- raise TestFailed, \
- 'No OverflowError on huge integer literal ' + `s`
- else:
- print 'Weird maxint value', maxint
-
- print '1.1.2.2 Long integers'
- x = 0L
- x = 0l
- x = 0xffffffffffffffffL
- x = 0xffffffffffffffffl
- x = 077777777777777777L
- x = 077777777777777777l
- x = 123456789012345678901234567890L
- x = 123456789012345678901234567890l
-
- print '1.1.2.3 Floating point'
- x = 3.14
- x = 314.
- x = 0.314
- # XXX x = 000.314
- x = .314
- x = 3e14
- x = 3E14
- x = 3e-14
- x = 3e+14
- x = 3.e14
- x = .3e14
- x = 3.1e4
-
- print '1.1.3 String literals'
-
- ##def assert(s):
- ## if not s: raise TestFailed, 'see traceback'
-
- x = ''; y = ""; assert(len(x) == 0 and x == y)
- x = '\''; y = "'"; assert(len(x) == 1 and x == y and ord(x) == 39)
- x = '"'; y = "\""; assert(len(x) == 1 and x == y and ord(x) == 34)
- x = "doesn't \"shrink\" does it"
- y = 'doesn\'t "shrink" does it'
- assert(len(x) == 24 and x == y)
- x = "does \"shrink\" doesn't it"
- y = 'does "shrink" doesn\'t it'
- assert(len(x) == 24 and x == y)
- x = """
- The "quick"
- brown fox
- jumps over
- the 'lazy' dog.
- """
- y = '\nThe "quick"\nbrown fox\njumps over\nthe \'lazy\' dog.\n'
- assert(x == y)
- y = '''
- The "quick"
- brown fox
- jumps over
- the 'lazy' dog.
- '''; assert(x == y)
- y = "\n\
- The \"quick\"\n\
- brown fox\n\
- jumps over\n\
- the 'lazy' dog.\n\
- "; assert(x == y)
- y = '\n\
- The \"quick\"\n\
- brown fox\n\
- jumps over\n\
- the \'lazy\' dog.\n\
- '; assert(x == y)
-
-
- print '1.2 Grammar'
-
- print 'single_input' # NEWLINE | simple_stmt | compound_stmt NEWLINE
- # XXX can't test in a script -- this rule is only used when interactive
-
- print 'file_input' # (NEWLINE | stmt)* ENDMARKER
- # Being tested as this very moment this very module
-
- print 'expr_input' # testlist NEWLINE
- # XXX Hard to test -- used only in calls to input()
-
- print 'eval_input' # testlist ENDMARKER
- x = eval('1, 0 or 1')
-
- print 'funcdef'
- ### 'def' NAME parameters ':' suite
- ### parameters: '(' [varargslist] ')'
- ### varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' ('**'|'*' '*') NAME]
- ### | ('**'|'*' '*') NAME)
- ### | fpdef ['=' test] (',' fpdef ['=' test])* [',']
- ### fpdef: NAME | '(' fplist ')'
- ### fplist: fpdef (',' fpdef)* [',']
- ### arglist: (argument ',')* (argument | *' test [',' '**' test] | '**' test)
- ### argument: [test '='] test # Really [keyword '='] test
- def f1(): pass
- f1()
- f1(*())
- f1(*(), **{})
- def f2(one_argument): pass
- def f3(two, arguments): pass
- def f4(two, (compound, (argument, list))): pass
- def a1(one_arg,): pass
- def a2(two, args,): pass
- def v0(*rest): pass
- def v1(a, *rest): pass
- def v2(a, b, *rest): pass
- def v3(a, (b, c), *rest): pass
- def d01(a=1): pass
- d01()
- d01(1)
- d01(*(1,))
- d01(**{'a':2})
- def d11(a, b=1): pass
- d11(1)
- d11(1, 2)
- d11(1, **{'b':2})
- def d21(a, b, c=1): pass
- d21(1, 2)
- d21(1, 2, 3)
- d21(*(1, 2, 3))
- d21(1, *(2, 3))
- d21(1, 2, *(3,))
- d21(1, 2, **{'c':3})
- def d02(a=1, b=2): pass
- d02()
- d02(1)
- d02(1, 2)
- d02(*(1, 2))
- d02(1, *(2,))
- d02(1, **{'b':2})
- d02(**{'a': 1, 'b': 2})
- def d12(a, b=1, c=2): pass
- d12(1)
- d12(1, 2)
- d12(1, 2, 3)
- def d22(a, b, c=1, d=2): pass
- d22(1, 2)
- d22(1, 2, 3)
- d22(1, 2, 3, 4)
- def d01v(a=1, *rest): pass
- d01v()
- d01v(1)
- d01v(1, 2)
- d01v(*(1, 2, 3, 4))
- d01v(*(1,))
- d01v(**{'a':2})
- def d11v(a, b=1, *rest): pass
- d11v(1)
- d11v(1, 2)
- d11v(1, 2, 3)
- def d21v(a, b, c=1, *rest): pass
- d21v(1, 2)
- d21v(1, 2, 3)
- d21v(1, 2, 3, 4)
- d21v(*(1, 2, 3, 4))
- d21v(1, 2, **{'c': 3})
- def d02v(a=1, b=2, *rest): pass
- d02v()
- d02v(1)
- d02v(1, 2)
- d02v(1, 2, 3)
- d02v(1, *(2, 3, 4))
- d02v(**{'a': 1, 'b': 2})
- def d12v(a, b=1, c=2, *rest): pass
- d12v(1)
- d12v(1, 2)
- d12v(1, 2, 3)
- d12v(1, 2, 3, 4)
- d12v(*(1, 2, 3, 4))
- d12v(1, 2, *(3, 4, 5))
- d12v(1, *(2,), **{'c': 3})
- def d22v(a, b, c=1, d=2, *rest): pass
- d22v(1, 2)
- d22v(1, 2, 3)
- d22v(1, 2, 3, 4)
- d22v(1, 2, 3, 4, 5)
- d22v(*(1, 2, 3, 4))
- d22v(1, 2, *(3, 4, 5))
- d22v(1, *(2, 3), **{'d': 4})
-
- ### stmt: simple_stmt | compound_stmt
- # Tested below
-
- ### simple_stmt: small_stmt (';' small_stmt)* [';']
- print 'simple_stmt'
- x = 1; pass; del x
-
- ### small_stmt: expr_stmt | print_stmt | pass_stmt | del_stmt | flow_stmt | import_stmt | global_stmt | access_stmt | exec_stmt
- # Tested below
-
- print 'expr_stmt' # (exprlist '=')* exprlist
- 1
- 1, 2, 3
- x = 1
- x = 1, 2, 3
- x = y = z = 1, 2, 3
- x, y, z = 1, 2, 3
- abc = a, b, c = x, y, z = xyz = 1, 2, (3, 4)
- # NB these variables are deleted below
-
- print 'print_stmt' # 'print' (test ',')* [test]
- print 1, 2, 3
- print 1, 2, 3,
- print
- print 0 or 1, 0 or 1,
- print 0 or 1
-
- print 'extended print_stmt' # 'print' '>>' test ','
- import sys
- print >> sys.stdout, 1, 2, 3
- print >> sys.stdout, 1, 2, 3,
- print >> sys.stdout
- print >> sys.stdout, 0 or 1, 0 or 1,
- print >> sys.stdout, 0 or 1
-
- # test printing to an instance
- class Gulp:
- def write(self, msg): pass
-
- gulp = Gulp()
- print >> gulp, 1, 2, 3
- print >> gulp, 1, 2, 3,
- print >> gulp
- print >> gulp, 0 or 1, 0 or 1,
- print >> gulp, 0 or 1
-
- # test print >> None
- def driver():
- oldstdout = sys.stdout
- sys.stdout = Gulp()
- try:
- tellme(Gulp())
- tellme()
- finally:
- sys.stdout = oldstdout
-
- # we should see this once
- def tellme(file=sys.stdout):
- print >> file, 'hello world'
-
- driver()
-
- # we should not see this at all
- def tellme(file=None):
- print >> file, 'goodbye universe'
-
- driver()
-
- # syntax errors
- def check_syntax(statement):
- try:
- compile(statement, '<string>', 'exec')
- except SyntaxError:
- pass
- else:
- print 'Missing SyntaxError: "%s"' % statement
- check_syntax('print ,')
- check_syntax('print >> x,')
-
- print 'del_stmt' # 'del' exprlist
- del abc
- del x, y, (z, xyz)
-
- print 'pass_stmt' # 'pass'
- pass
-
- print 'flow_stmt' # break_stmt | continue_stmt | return_stmt | raise_stmt
- # Tested below
-
- print 'break_stmt' # 'break'
- while 1: break
-
- print 'continue_stmt' # 'continue'
- i = 1
- while i: i = 0; continue
-
- print 'return_stmt' # 'return' [testlist]
- def g1(): return
- def g2(): return 1
- g1()
- x = g2()
-
- print 'raise_stmt' # 'raise' test [',' test]
- try: raise RuntimeError, 'just testing'
- except RuntimeError: pass
- try: raise KeyboardInterrupt
- except KeyboardInterrupt: pass
-
- print 'import_stmt' # 'import' NAME (',' NAME)* | 'from' NAME 'import' ('*' | NAME (',' NAME)*)
- import sys
- import time, sys
- from time import time
- from sys import *
- from sys import path, argv
-
- print 'global_stmt' # 'global' NAME (',' NAME)*
- def f():
- global a
- global a, b
- global one, two, three, four, five, six, seven, eight, nine, ten
-
- print 'exec_stmt' # 'exec' expr ['in' expr [',' expr]]
- def f():
- z = None
- del z
- exec 'z=1+1\n'
- if z <> 2: raise TestFailed, 'exec \'z=1+1\'\\n'
- del z
- exec 'z=1+1'
- if z <> 2: raise TestFailed, 'exec \'z=1+1\''
- z = None
- del z
- exec u'z=1+1\n'
- if z <> 2: raise TestFailed, 'exec u\'z=1+1\'\\n'
- del z
- exec u'z=1+1'
- if z <> 2: raise TestFailed, 'exec u\'z=1+1\''
- f()
- g = {}
- exec 'z = 1' in g
- if g.has_key('__builtins__'): del g['__builtins__']
- if g <> {'z': 1}: raise TestFailed, 'exec \'z = 1\' in g'
- g = {}
- l = {}
- exec 'global a; a = 1; b = 2' in g, l
- if g.has_key('__builtins__'): del g['__builtins__']
- if l.has_key('__builtins__'): del l['__builtins__']
- if (g, l) <> ({'a':1}, {'b':2}): raise TestFailed, 'exec ... in g, l'
-
-
- ### compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef
- # Tested below
-
- print 'if_stmt' # 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
- if 1: pass
- if 1: pass
- else: pass
- if 0: pass
- elif 0: pass
- if 0: pass
- elif 0: pass
- elif 0: pass
- elif 0: pass
- else: pass
-
- print 'while_stmt' # 'while' test ':' suite ['else' ':' suite]
- while 0: pass
- while 0: pass
- else: pass
-
- print 'for_stmt' # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]
- for i in 1, 2, 3: pass
- for i, j, k in (): pass
- else: pass
- class Squares:
- def __init__(self, max):
- self.max = max
- self.sofar = []
- def __len__(self): return len(self.sofar)
- def __getitem__(self, i):
- if not 0 <= i < self.max: raise IndexError
- n = len(self.sofar)
- while n <= i:
- self.sofar.append(n*n)
- n = n+1
- return self.sofar[i]
- n = 0
- for x in Squares(10): n = n+x
- if n != 285: raise TestFailed, 'for over growing sequence'
-
- print 'try_stmt'
- ### try_stmt: 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]
- ### | 'try' ':' suite 'finally' ':' suite
- ### except_clause: 'except' [expr [',' expr]]
- try:
- 1/0
- except ZeroDivisionError:
- pass
- else:
- pass
- try: 1/0
- except EOFError: pass
- except TypeError, msg: pass
- except RuntimeError, msg: pass
- except: pass
- else: pass
- try: 1/0
- except (EOFError, TypeError, ZeroDivisionError): pass
- try: 1/0
- except (EOFError, TypeError, ZeroDivisionError), msg: pass
- try: pass
- finally: pass
-
- print 'suite' # simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT
- if 1: pass
- if 1:
- pass
- if 1:
- #
- #
- #
- pass
- pass
- #
- pass
- #
-
- print 'test'
- ### and_test ('or' and_test)*
- ### and_test: not_test ('and' not_test)*
- ### not_test: 'not' not_test | comparison
- if not 1: pass
- if 1 and 1: pass
- if 1 or 1: pass
- if not not not 1: pass
- if not 1 and 1 and 1: pass
- if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass
-
- print 'comparison'
- ### comparison: expr (comp_op expr)*
- ### comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
- if 1: pass
- x = (1 == 1)
- if 1 == 1: pass
- if 1 != 1: pass
- if 1 <> 1: pass
- if 1 < 1: pass
- if 1 > 1: pass
- if 1 <= 1: pass
- if 1 >= 1: pass
- if 1 is 1: pass
- if 1 is not 1: pass
- if 1 in (): pass
- if 1 not in (): pass
- if 1 < 1 > 1 == 1 >= 1 <= 1 <> 1 != 1 in 1 not in 1 is 1 is not 1: pass
-
- print 'binary mask ops'
- x = 1 & 1
- x = 1 ^ 1
- x = 1 | 1
-
- print 'shift ops'
- x = 1 << 1
- x = 1 >> 1
- x = 1 << 1 >> 1
-
- print 'additive ops'
- x = 1
- x = 1 + 1
- x = 1 - 1 - 1
- x = 1 - 1 + 1 - 1 + 1
-
- print 'multiplicative ops'
- x = 1 * 1
- x = 1 / 1
- x = 1 % 1
- x = 1 / 1 * 1 % 1
-
- print 'unary ops'
- x = +1
- x = -1
- x = ~1
- x = ~1 ^ 1 & 1 | 1 & 1 ^ -1
- x = -1*1/1 + 1*1 - ---1*1
-
- print 'selectors'
- ### trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME
- ### subscript: expr | [expr] ':' [expr]
- f1()
- f2(1)
- f2(1,)
- f3(1, 2)
- f3(1, 2,)
- f4(1, (2, (3, 4)))
- v0()
- v0(1)
- v0(1,)
- v0(1,2)
- v0(1,2,3,4,5,6,7,8,9,0)
- v1(1)
- v1(1,)
- v1(1,2)
- v1(1,2,3)
- v1(1,2,3,4,5,6,7,8,9,0)
- v2(1,2)
- v2(1,2,3)
- v2(1,2,3,4)
- v2(1,2,3,4,5,6,7,8,9,0)
- v3(1,(2,3))
- v3(1,(2,3),4)
- v3(1,(2,3),4,5,6,7,8,9,0)
- print
- import sys, time
- c = sys.path[0]
- x = time.time()
- x = sys.modules['time'].time()
- a = '01234'
- c = a[0]
- c = a[-1]
- s = a[0:5]
- s = a[:5]
- s = a[0:]
- s = a[:]
- s = a[-5:]
- s = a[:-1]
- s = a[-4:-3]
-
- print 'atoms'
- ### atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING
- ### dictmaker: test ':' test (',' test ':' test)* [',']
-
- x = (1)
- x = (1 or 2 or 3)
- x = (1 or 2 or 3, 2, 3)
-
- x = []
- x = [1]
- x = [1 or 2 or 3]
- x = [1 or 2 or 3, 2, 3]
- x = []
-
- x = {}
- x = {'one': 1}
- x = {'one': 1,}
- x = {'one' or 'two': 1 or 2}
- x = {'one': 1, 'two': 2}
- x = {'one': 1, 'two': 2,}
- x = {'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6}
-
- x = `x`
- x = `1 or 2 or 3`
- x = x
- x = 'x'
- x = 123
-
- ### exprlist: expr (',' expr)* [',']
- ### testlist: test (',' test)* [',']
- # These have been exercised enough above
-
- print 'classdef' # 'class' NAME ['(' testlist ')'] ':' suite
- class B: pass
- class C1(B): pass
- class C2(B): pass
- class D(C1, C2, B): pass
- class C:
- def meth1(self): pass
- def meth2(self, arg): pass
- def meth3(self, a1, a2): pass
-
- # list comprehension tests
- nums = [1, 2, 3, 4, 5]
- strs = ["Apple", "Banana", "Coconut"]
- spcs = [" Apple", " Banana ", "Coco nut "]
-
- print [s.strip() for s in spcs]
- print [3 * x for x in nums]
- print [x for x in nums if x > 2]
- print [(i, s) for i in nums for s in strs]
- print [(i, s) for i in nums for s in [f for f in strs if "n" in f]]
- try:
- eval("[i, s for i in nums for s in strs]")
- print "FAIL: should have raised a SyntaxError!"
- except SyntaxError:
- print "good: got a SyntaxError as expected"
-
- try:
- eval("[x if y]")
- print "FAIL: should have raised a SyntaxError!"
- except SyntaxError:
- print "good: got a SyntaxError as expected"
-
- suppliers = [
- (1, "Boeing"),
- (2, "Ford"),
- (3, "Macdonalds")
- ]
-
- parts = [
- (10, "Airliner"),
- (20, "Engine"),
- (30, "Cheeseburger")
- ]
-
- suppart = [
- (1, 10), (1, 20), (2, 20), (3, 30)
- ]
-
- print [
- (sname, pname)
- for (sno, sname) in suppliers
- for (pno, pname) in parts
- for (sp_sno, sp_pno) in suppart
- if sno == sp_sno and pno == sp_pno
- ]
-